A STUDY ON AUTHENTICATION AND ACCESS CONTROL FOR CLOUD COMPUTING: REVIEW

Cloud computing is a new paradigm to deliver various services over the Internet. It has been spreading widely, users and service provider enables to use resources or service cheaply and easily without owing all the resources needed. Cloud computing has many benefits but it has various security issues (Trust, Legal Issues, Confidentiality, Authentication and Access Control, Data Encryption, Early Approaches, Querying Encrypted Data, Denial of Services, Malicious Insiders, Data Breach, Vulnerability in virtualization, etc ;) These security issues are still in loop of solutions, because of that so many organizations are waiting for adoption of cloud computing services. This is a review paper for authentication and access control for cloud computing.